Home / 2,287,736.28-3,157,079.88-1,269,141.12

Finding the Fourth Proportional to 2,287,736.28, 3,157,079.88 and 1,269,141.12

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Solution

The fourth proportional to 2,287,736.28, 3,157,079.88 and 1,269,141.12 is: 1,751,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,736.28 : 3,157,079.88 = 1,269,141.12 : x
  2. Step 2: Convert to fraction form
    2,287,736.28/3,157,079.88 = 1,269,141.12/x
  3. Step 3: Cross multiply
    2,287,736.28x = 3,157,079.88 × 1,269,141.12
  4. Step 4: Simplify right side
    2,287,736.28x = 4,006,779,894,832.67
  5. Step 5: Solve for x
    x = 4,006,779,894,832.67/2,287,736.28
  6. Step 6: Final answer
    x = 1,751,416.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.